cc: Plumbing for BeginFrameSource based on Surfaces

cc/surfaces/surface.cc

Index: cc/surfaces/surface.cc
diff --git a/cc/surfaces/surface.cc b/cc/surfaces/surface.cc
index 16987cb84e49b356bd2cf4afa0fd255f9ddf82a6..853d37b5990bb79eaacbef1b72191955c5b8e394 100644
--- a/cc/surfaces/surface.cc
+++ b/cc/surfaces/surface.cc
@@ -22,7 +22,9 @@ Surface::Surface(SurfaceId id, SurfaceFactory* factory)
     : surface_id_(id),
       factory_(factory->AsWeakPtr()),
       frame_index_(kFrameIndexStart),
-      destroyed_(false) {}
+      destroyed_(false) {
+  factory_->client()->SetBeginFrameSource(surface_id_, NULL);
+}
 
 Surface::~Surface() {
   ClearCopyRequests();
@@ -35,6 +37,8 @@ Surface::~Surface() {
   }
   if (!draw_callback_.is_null())
     draw_callback_.Run(SurfaceDrawStatus::DRAW_SKIPPED);
+
+  factory_->client()->SetBeginFrameSource(surface_id_, NULL);
 }
 
 void Surface::QueueFrame(scoped_ptr<CompositorFrame> frame,